Finding the Fourth Proportional to 59,903.12, 89,820.96 and 19,900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,903.12 : 89,820.96 = 19,900.69 : x
2. Step 2: Convert to fraction form
   59,903.12/89,820.96 = 19,900.69/x
3. Step 3: Cross multiply
   59,903.12x = 89,820.96 × 19,900.69
4. Step 4: Simplify right side
   59,903.12x = 1,787,498,781.28
5. Step 5: Solve for x
   x = 1,787,498,781.28/59,903.12
6. Step 6: Final answer
   x = 29,839.83